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MitreCVE-2020-15889

HistoryJul 21, 2020 - 10:15 p.m.

CVE-2020-15889

2020-07-2122:15:12

CWE-125

mitre

web.nvd.nist.gov

cve-2020-15889

lua 5.4.0

buffer over-read

heap-based

nvd

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.4

Confidence

High

EPSS

0.004

Percentile

72.4%

JSON

Lua 5.4.0 has a getobjname heap-based buffer over-read because youngcollection in lgc.c uses markold for an insufficient number of list members.

Affected configurations

Nvd

Node

lualuaMatch5.4.0

VendorProductVersionCPE
lualua5.4.0cpe:2.3:a:lua:lua:5.4.0:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
lua	lua	5.4.0	cpe:2.3:a:lua:lua:5.4.0:::::::*

References

lua-users.org/lists/lua-l/2020-07/msg00078.html

lua-users.org/lists/lua-l/2020-12/msg00157.html

github.com/lua/lua/commit/127e7a6c8942b362aa3c6627f44d660a4fb75312

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.4

Confidence

High

EPSS

0.004

Percentile

72.4%

JSON

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